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Yanshan xudong pipeline co., ltd. has been engaged in the pipeline fittings industry for more than ten years. its main products are steel pipe, anticorrosive processing, heat insulation pipe, heat insulation pipe fittings, sieve pipe, oil casing and other steel pipe series. Elbow, flange, tee, four - way, head cap, reducer, size head, socket forging pipe fittings, groove pipe fittings, aluminum pipe fittings, lining plastic pipe fittings and other pipe fittings series; Support hanger, pipe clamp support, co...
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